Really need this function - just subscribed today to a high quality Japan-A-Radio (japanaradio.com) stream and can't play it with XiiaLive. I really don't want to have to find another app! I tried the http://username:password@ method but xiialive just kept returning a 401 unauthorised message.
Authentication support has been supported since v3.0.0.03. This post answer was a bit outdated. :)
Customer support service by UserEcho